FILLER FOUL The little-known side effects of anti-wrinkle injections and filler as tweakments surge… from dreadful sex to blindness
Dr Jack said: "Very heavy treatment, particularly of the forehead and frown, can make people look less emotionally available.
"When we see someone looking sad, angry, distressed or happy, we may unconsciously mirror tiny elements of that expression, and the feedback may help the brain interpret what the other person is feeling."